| % if let |
| |
| <small>There is a new edition of the book and this is an old link.</small> |
| |
| > The `if let` syntax lets you combine `if` and `let` into a less verbose way to handle values that match one pattern and ignore the rest. |
| |
| ```rust |
| let some_u8_value = Some(3u8); |
| if let Some(3) = some_u8_value { |
| println!("three"); |
| } |
| ``` |
| |
| --- |
| |
| Here are the relevant sections in the new and old books: |
| |
| * [In the current edition: Ch 6.03 — Concise Control Flow with `if let`][2] |
| * <small>[In the first edition: Ch 3.21 — if let][1]</small> |
| |
| [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/if-let.html |
| [2]: ch06-03-if-let.html |